From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A402C4363A for ; Mon, 26 Oct 2020 12:30:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CCCE024684 for ; Mon, 26 Oct 2020 12:30:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="JjISarcW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1775146AbgJZMaf (ORCPT ); Mon, 26 Oct 2020 08:30:35 -0400 Received: from casper.infradead.org ([90.155.50.34]:38830 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1772574AbgJZMaf (ORCPT ); Mon, 26 Oct 2020 08:30:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Znund5dzpNvYlhDHBzhUjlY+phwH7Vak7oEwCdGxkkc=; b=JjISarcW8F96RIHDmKzzcQjdsI RdmOxcC2njE+zbyedtE8cjk8bgjlQ5PYpRBuLR9momxqthEZt6iUyzxpidPRYplTFOHxIGxhGiu+w +aWH4WfIAviGcuNp3jZ9ksTZh5vKQB4Y5bI3F+8eOBGRdzgm6Qd0dp1KXbudp1BAVgTAfeQ5Kt5Mv 2uLfelZ/7Y05lqf9IOuAca1hgXDbbmVEFdOPXX34iMUX1Zp5OSohywcdL1mSYXA/19d0G4+2LVR5a 7xXfaSxGkYZVNrCB3HgrpaawHFR1vGOT5dbUBKThWrFrBxwkz+IB3ZiwEMkTLp5q2wYLH6Dd8UOpO D9G0nWFA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kX1dw-0003Tp-Mn; Mon, 26 Oct 2020 12:30:32 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id EBE1C302526; Mon, 26 Oct 2020 13:30:31 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id D39D320325EC8; Mon, 26 Oct 2020 13:30:31 +0100 (CET) Date: Mon, 26 Oct 2020 13:30:31 +0100 From: Peter Zijlstra To: Jan Kara Cc: Filipe Manana , LKML , David Sterba Subject: Re: possible lockdep regression introduced by 4d004099a668 ("lockdep: Fix lockdep recursion") Message-ID: <20201026123031.GO2594@hirez.programming.kicks-ass.net> References: <20201026114009.GN2594@hirez.programming.kicks-ass.net> <20201026115541.GC28769@quack2.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201026115541.GC28769@quack2.suse.cz> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 26, 2020 at 12:55:41PM +0100, Jan Kara wrote: > > Make sure you have commit: > > > > f8e48a3dca06 ("lockdep: Fix preemption WARN for spurious IRQ-enable") > > > > (in Linus' tree by now) and do you have CONFIG_DEBUG_PREEMPT enabled? > > Hum, I am at 5.10-rc1 now and above mentioned commit doesn't appear to be > there? Also googling for the title doesn't help... *groan*... I seem to have forgotten to push it out to tip/locking/urgent on Friday :/ Find it here: git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/urgent